CN210285556U

CN210285556U - Automatic grain storage equipment

Info

Publication number: CN210285556U
Application number: CN201920354792.0U
Authority: CN
Inventors: 葛玉库
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-20
Filing date: 2019-03-20
Publication date: 2020-04-10
Anticipated expiration: 2029-03-20

Abstract

The automatic grain warehousing equipment is used for warehousing the dried grains in a warehouse and is provided with a belt conveyor and two rails, wherein the two rails are respectively provided with a power rail car, two chain wheel shafts between the two rails are respectively and rotationally connected to the two power rail cars, one chain wheel shaft is a power shaft, two ends of the two chain wheel shafts are in power connection through a chain wheel and chain mechanism, a plurality of grain raking plates are arranged around the two chains, one end of each grain raking plate is connected with two chain links which are opposite in position in the two chains, and the grain raking plates positioned below the chains are in a vertical shape; one of the frames is fixedly provided with a material distribution bracket, the material distribution bracket is provided with an inclined scraper, the inclined scraper is arranged above a conveying belt in the belt conveyor, and the lower end face of the inclined scraper is movably pressed and connected with the upper surface of the conveying belt; the inclined scraper scrapes grains from the conveying belt to the ground of the grain storage warehouse for accumulation, and the grain raking plate can repeatedly rake the grains with super high height outwards to fill the whole warehouse with the grains automatically.

Description

Automatic grain storage equipment

Technical Field

The utility model relates to a grain storage equipment specifically is an equipment that can automize and carry out grain storage.

Background

The existing large-scale grain depot purchases grains, the grains are firstly sent into a drying tower to process water content and then are reduced to a specified value, then the grains after being dried are piled into a warehouse through a car puller, when the grains are piled up in the warehouse, the grains are pushed by machinery such as a loader and the like in an auxiliary mode, a large amount of manpower and material resources are needed in the whole grain storage process, the grain storage cost is higher, and tail gas, oil stains and wheels of the machinery such as the loader and the like are rolled, and the grains are polluted and damaged to a certain degree.

Disclosure of Invention

The utility model aims at providing an automatic change grain storage equipment can save manpower and materials with the automatic loading warehouse entry of grain machinery, reduces grain storage cost, improves and stores up the grain quality.

The technical scheme of the utility model is that: automatic change grain storage equipment, its characterized in that: comprises a belt conveyor, a grain raking mechanism and an inclined scraper; the grain raking mechanism is provided with two tracks, the two tracks are arranged in parallel with a conveying belt of a belt conveyor, power rail cars are arranged on the two tracks respectively, a frame of each power rail car runs on the corresponding track through a rail wheel, two chain wheel shafts are arranged between the two tracks, one chain wheel shaft is rotatably connected to the frame of one power rail car, the other chain wheel shaft is rotatably connected to the frame of the other power rail car, one chain wheel shaft is a power shaft, chain wheels are fixedly arranged at two ends of the two chain wheel shafts respectively, the two chain wheels on the same side of the two chain wheel shafts are connected through chains, a plurality of grain raking plates are arranged around the two chains, one end of each grain raking plate is connected with the two chain links opposite to each other in the two chains, and the grain raking plates positioned below the chains are in a vertical shape; the frame of one of the power rail cars is fixedly provided with a material distribution bracket, the material distribution bracket is provided with the inclined scraper, the inclined scraper is arranged above a conveying belt in the belt conveyor, the lower end face of the inclined scraper is movably pressed and connected with the upper surface of the conveying belt, and the width of the inclined scraper is larger than or equal to that of the conveying belt.

One end of each grain raking plate is hinged with the two chain links, the two sides of the other end of each grain raking plate are respectively provided with a soft rope, one end of each soft rope is fixedly connected with the grain raking plate, the other end of each soft rope is obliquely pulled to the front of the grain raking plate, and the end of each soft rope is connected with one chain link in the chain at the same side.

The track is a laterally-turned I-shaped steel, the track wheel is provided with an upper wheel and a lower wheel, the upper wheel is arranged in a groove above the I-shaped steel, the lower wheel is arranged in a groove below the I-shaped steel, the upper wheel and the lower wheel are both conical wheels, the outer conical surfaces of the upper wheel and the lower wheel are in rolling connection with the groove edges of the corresponding grooves, and wheel shafts of the upper wheel and the lower wheel are rotationally connected to a frame of the power railcar.

The inclined scraper is connected with the material distribution support through a hinged arm, one end of the hinged arm is hinged with the inclined scraper, and the other end of the hinged arm is hinged with the material distribution support.

The two ends of the chain wheel shaft are respectively connected with the frame of the corresponding power rail car in a rotating mode through a tightener, the tightener is provided with a sleeve nut, the two ends of the sleeve nut are respectively provided with a screw rod in threaded connection, the outer end of one screw rod is provided with a shaft sleeve, the shaft sleeve is connected with the shaft end shaft hole of the corresponding chain wheel shaft in a rotating mode, and the outer end of the other screw rod is hinged with the frame of the corresponding power rail car.

The grain raking mechanisms are two groups, the two groups of grain raking mechanisms are respectively positioned on two sides of the belt conveyor, and the inclined scrapers are V-shaped scrapers.

The inclined scraper is provided with a supporting plate, the supporting plate is fixedly connected with the material distributing support, a detachable scraping head is arranged at the lower end of the supporting plate, and the lower end face of the scraping head is the lower end face of the inclined scraper.

The grain raking plate is a Z-shaped plate.

The grain scraper is characterized by also comprising a high-foot bracket, wherein the rack of the belt conveyor and a track in the grain raking mechanism are arranged at the upper end of the high-foot bracket.

The material distributing support behind the inclined scraper is provided with a material sweeper, the material sweeper is provided with a support arm, a brush wheel and a brush motor, the front end of the support arm is connected with the material distributing support, the rear end of the support arm is fixedly connected with a shell of the brush motor, the brush wheel is fixedly connected to a motor shaft of the brush motor in a sleeved mode, and the brush end of the brush wheel is movably connected with the upper surface of the conveying belt in a pressed mode.

The utility model discloses a theory of operation is: determining the length of a belt conveyor according to the size of a warehouse site, wherein the length of the belt conveyor is equivalent to the depth of the warehouse, namely one end of the belt conveyor is arranged at the front end of the warehouse, the other end of the belt conveyor is arranged at the rear end of the warehouse, so that grains can be conveyed to the innermost side of the warehouse, when the belt conveyor and the rails in a grain rake mechanism are arranged in an overhead mode at a certain height in a grain storage warehouse, a conveying belt of the belt conveyor and the rails in the grain rake mechanism are horizontally arranged, the length of the rails is approximately equal to that of the belt conveyor, an inclined scraper is conveyed to the rear end portion (namely the innermost side of the warehouse) of the conveying belt by a power rail car for standby, grains in a drying tower in the grain warehouse are guided to the upper portion of the conveying belt at the front end of the belt conveyor through a grain conveying pipeline, after the belt conveyor is started to run, the grains are discharged onto the conveying belt of the belt conveyor, the conveying belt conveys the grains to the inclined scraper blades, the inclined scraper blades for material distribution scrape the grains from the conveying belt onto the ground of the grain storage warehouse for accumulation, when the grain is accumulated to a certain height, the power sprocket shaft is started to rotate, the two sprocket chain mechanisms rotate around the two sprocket shafts under the driving of the sprocket shafts, thereby driving the grain raking plate to rake grains at the top of the grain pile outwards, the grains are continuously scraped off from the conveying belt, the grain raking plate can rake grains with super high accumulation outwards in cycles, therefore, the grain is fully paved to the whole inner side of the grain storage warehouse, when the grain is accumulated to the designed height, the power rail car is driven to move to one end of the outer side of the warehouse for a distance, the inclined scraper blade and the grain raking plate move forwards to a proper position, the grain storage steps are repeated, and the grain can be fully filled into the whole warehouse from back to front (or can be filled into the rear part of the warehouse from the front part of the warehouse).

The utility model has the advantages that: in the grain storage process, the equipment can stack grains into a warehouse to automatically finish the grain storage work, saves manpower and material resources, reduces the grain storage cost, does not involve a loader, and has no pollution and rolling damage to the grains in the storage process, thereby improving the grain storage quality.

The structure that each harrow grain board one end is articulated, the other end passes through the flexible rope and articulates enables to harrow the grain board when lieing in the chain top, and the flat bed does not occupy the space of chain top on the chain, can reduce the running height of equipment, makes the grain storage space in storehouse by make full use of. The hinged arm can lead the inclined pulling plate to be movably pressed on the conveyer belt through self gravity, the grain scraping effect is good, and the abrasion is less. Because the power rail car of two chains tractive both sides, pulling force can make the power rail car inwards incline, the upper and lower wheel of power rail car rolls on the upper and lower groove that the I-steel was arranged in the side upset, the outer conical surface of cone pulley and the groove edge roll connection who corresponds the groove, under the traction force effect of chain, the rolling pressure that the outer conical surface of cone pulley applyed is mostly undertaken by the groove edge in the I-steel outside, this structure can reduce rolling resistance, can also keep the steady walking of power rail car, can practice thrift the energy consumption of power rail car, when using with the cooperation of turn-buckle, can also adjust the pressure that the cone pulley acted on the notch, based on above-mentioned structure, can also better support the reaction force when coming from the outside harrow grain board and harrowing grain, mechanical effect is better.

The tightener can keep the chain tightened constantly, and increase the grain raking force and strength of the grain raking plate, thereby improving the grain raking efficiency. The two sides of the belt conveyor are respectively provided with a grain raking mechanism, the belt conveyor can be arranged in the middle of a grain depot, grains are accumulated on the two sides simultaneously, and the belt conveyor can be applied to the large-span grain depot. The detachable scraper head can be replaced at any time after being worn, the maintenance cost and time are saved, the grain storage cost is further reduced, the Z-shaped grain raking plate is higher in structural strength, better in bearing effect, capable of raking away more grains at one time and high in working efficiency. The high-foot support matched with the rack of the belt conveyor and the track in the grain raking mechanism can reduce the construction amount of field installation, has better structural strength and is convenient for equipment modular production and assembly. The brush wheel can sweep off the conveying belt completely with the grain possibly remaining on the conveying belt behind the inclined scraper, so that no residual material is left on the conveying belt, and the material distributing effect is better.

Drawings

Fig. 1 is a schematic structural diagram of the automatic grain storage device of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a schematic view of the operation state of the automatic grain storage device of the present invention.

Fig. 4 is a schematic view of the connection structure of the grain raking plate and the chain of the utility model.

Fig. 5 is a schematic view of the connection structure of the grain raking plate and the material distributing bracket of the utility model.

Fig. 6 is a schematic sectional view taken along the direction B-B in fig. 5.

Fig. 7 is a structural schematic diagram of the i-shaped steel rail of the present invention.

Fig. 8 is a schematic structural view of the material sweeper of the present invention.

Fig. 9 is a schematic view of the arrangement of the grain depot of the automatic grain storage equipment used with the grain elevator.

In the figure, 1 grain conveying pipeline, 2 grain conveying pipeline outlet, 3 inclined scraper, 4 belt conveyor, 5 material separating support, 6 power rail car, 7 screw rod, 8 sleeve nut, 9 shaft sleeve, 10 grain rake board, 11 soft rope, 12 chain, 13 chain wheel, 14 chain wheel shaft, 15 track, 16 power rail car frame, 17 rail wheel, 18 high foot support, 19 conveying belt, 20 scraper head, 21 supporting plate, 22 motor, 23 belt conveyor frame, 24 chain link, 25 bent plate, 26 chain link hinge shaft, 27 hinge arm, 28I-steel, 29 upper wheel, 30 lower wheel axle, 31 lower wheel, 32 upper wheel axle, 33 power transmission mechanism, 34 brush motor, 35 supporting arm, 36 bearing sleeve, 37 brush motor shaft, 38 brush wheel, 39 brush end, 40 drying tower, 41 grain suction machine.

Detailed Description

An automatic grain storage device, which has a structure shown in figures 1 and 2 and is provided with a belt conveyor 4, a grain raking mechanism and an inclined scraper 3; the grain raking mechanism is provided with two tracks 15, the two tracks are arranged in parallel with a conveying belt 19 of a belt conveyor, power rail cars 6 are arranged on the two tracks respectively, a frame 16 of each power rail car runs on the corresponding track through a track wheel 17, two chain wheel shafts 14 are arranged between the two tracks, one chain wheel shaft is rotatably connected to the frame of one power rail car, the other chain wheel shaft is rotatably connected to the frame of the other power rail car, one chain wheel shaft is a power shaft, chain wheels 13 are fixedly arranged at two ends of the two chain wheel shafts respectively, the two chain wheels on the same side of the two chain wheel shafts are connected through a chain 12, a plurality of grain raking plates 10 are arranged around the two chains, one end of each grain raking plate is connected with two chain links 24 opposite to the middle position of the two chains, and the grain raking plate positioned below the chains is in a vertical shape; the frame of one of the power rail cars is fixedly provided with a material distribution bracket 5, the material distribution bracket is provided with the inclined scraper, the inclined scraper is arranged above the conveying belt in the belt conveyor, the lower end face of the inclined scraper is movably pressed and connected with the upper surface of the conveying belt, and the width of the inclined scraper is larger than or equal to that of the conveying belt. The lower end face of the inclined scraper plate is in gapless contact with the upper surface of the conveying belt, and the inclined scraper plate and the grain raking plate are arranged side by side.

The belt conveyor is also called as a rubber belt conveyor and is a product in the prior art and mainly comprises a frame, a conveying belt, a carrier roller, a tensioning device, a transmission device and the like. The conveying device can form a material conveying flow path from an initial feeding point to a final discharging point on a certain conveying line, and can convey powder and granular materials, a belt conveyor frame in the conveying device is arranged at the top of a storehouse in an empty mode, a track in a grain raking mechanism is also arranged on the side face of the belt conveyor in an overhead mode, and the conveying device is shown in fig. 9: the device can be used in cooperation with a grain elevator, a grain discharge port of a drying tower is in butt joint with a feed inlet of the grain elevator, grains in the drying tower enter a grain conveying pipeline 1 through the grain elevator, the horizontal conveying distance of the grain elevator can reach more than 500 meters, pipelines of the grain conveying pipeline extend to conveying belts of automatic grain storage equipment in each warehouse, a plurality of valves for controlling flow direction and flow are arranged on the pipelines of the grain conveying pipeline, different passages are formed by adjusting the valves, the grains can be conveyed to the front of any grain storage warehouse door through an outlet 2 of the grain conveying pipeline, the automatic grain storage equipment used in cooperation with the grain elevator can prevent the grains from falling to the ground outside the warehouse, the grains can be stored in the warehouse in rain and snow days, and the grain storage quality is improved. And, compare with traditional grain storage operation, use this application automation grain storage equipment, can close the warehouse gate, stretch into the material conveying pipe of drying tower from the window of warehouse gate top and take the belt conveyor's one end to carry out the pay-off, can improve the space utilization of warehouse more than 20%.

The power source is an electric motor, the electric motor comprises a servo motor, a speed reduction motor and the like, the power consumption of each motor adopts a power supply of a grain depot, the motors of two power railcars can synchronously run through circuit control, a power supply slide wire is arranged at a proper position in a high-foot support or a warehouse and used for power distribution, the power supply slide wire adopts a jointless bus-belt type slide wire, a distribution box is arranged on a frame of the power railcars, the distribution box obtains power from the power supply slide wire and uses the power supply slide wire for the motor driving the power railcars to run and the motor driving a chain wheel shaft to rotate, the distribution can be completed by common electricians, and the power supply device belongs to the content of the prior art and refers to the power distribution structure; the distribution box is simple, a signal receiver is arranged in the distribution box, an operator holds a remote controller by hand and sends a command signal to the signal receiver through the remote controller, the command signal is a wired signal or a wireless signal, after the signal receiver receives the signal command, the distribution box distributes power to each motor driving device to operate, and one person operates the device to load grains; the control command can be written into a single chip microcomputer in the distribution box to be automatically executed according to the command, namely, each motor can be automatically controlled by adopting a programmable logic controller, a corresponding sensor is installed in an auxiliary mode, the proximity sensor is installed at the tail end of a track and used for avoiding derailment of a power rail car, and a material detection sensor or a height sensor is installed on a distribution bracket and used for detecting grain stack height, so that the grain raking mechanism is automatically controlled to operate; the power rail car can be driven to slowly walk at a designed speed to pave grains by calculating grain flow and warehouse area; the automatic control system is the prior art and is configured according to actual demand conditions. Under the condition of manual operation, an operator can visually observe the grain storage state through the operating handle of each motor to perform manual control, and under the condition of manual operation, the grain can be stored from inside to outside in the warehouse, so that the observation is facilitated; and a camera can be arranged in the warehouse for auxiliary observation and remote manual control.

Each of the two tracks may be a single track consisting of a single track or a multi-track consisting of a plurality of tracks, the cross section of each track may be a convex track, a concave grooved track, a cylindrical guide rail or a C-shaped slide rail, and the two tracks further include: rails made of building material obtained by prefabrication methods, provided on the walls of storehouses, for example: concrete-poured rails; the power rail car is characterized in that a motor 22 is arranged on a frame of the power rail car, and the motor drives a rail wheel of the power rail car through a power transmission device 32 to enable the rail wheel to roll on the rail, so that the power rail car can run on the rail; or the motor is fixedly arranged on a frame of the power rail car, a gear is fixedly arranged on a motor shaft of the motor, a rack is fixedly arranged on the rail or a fixed rack parallel to the rail is arranged along the rail direction, the fixing means that the motor is fixedly arranged on a fixed building or a high-foot support, the gear is meshed with the rack, and when the motor drives the gear to rotate, the power rail car is driven to travel on the rail; or the motor is fixedly arranged on a frame of the power rail car, a motor shaft of the motor is fixedly provided with a friction wheel, an excircle wheel surface of the friction wheel is in compression joint with the surface of the rail, and when the motor drives the friction wheel to rotate, the friction wheel rolls on the surface of the rail through friction force, so that the power rail car is driven to travel on the rail; the above-mentioned mode is the drive mode who proves power railcar only by way of example, the utility model discloses the scope of protection is not limited to above-mentioned structure, and all can be on the track from the power railcar that has the frame all be in the utility model discloses a within the protection scope, include the structure (for example electric block driving device) that makes power railcar walk on the track through haulage rope tractive frame, through the structure of lead screw drive power railcar walk on the track, through the structure of atmospheric pressure or hydraulic piston drive power railcar walk on the track etc..

The screw is hinged with the power rail workshop, and the following structure is taken as an example and is not limited to the following structure: 1. the outer end of the other screw rod is fixedly connected with a cross shaft, a shaft seat is arranged on a frame of the power rail car, and the cross shaft is arranged in a shaft hole of the shaft seat and is rotatably connected with the shaft seat to complete the hinge structure. 2. The outer end of the other screw rod is fixedly connected with a shaft seat, a frame of the power rail car is fixedly connected with a cross shaft, and the shaft seat is sleeved on the cross shaft and is in rotating connection with the cross shaft to complete the hinge structure.

The two ends of the two chain wheel shafts are respectively fixedly provided with a chain wheel, the two chain wheels on the same side of the two chain wheel shafts are connected through a chain, namely the two ends of the two chain wheel shafts are respectively in power connection through a chain wheel and chain mechanism, namely the two ends of the two chain wheel shafts are respectively fixedly provided with the chain wheels, the two chain wheels on the same side are connected through a chain, and the two chains are in total.

The sprocket shaft is a power shaft, which means that: this sprocket shaft is rotated by motor drive, and the power take off axle and the sprocket shaft power of motor are hookup, and the mode of power hookup includes: the motor is a speed reducing motor, the motor is arranged on a frame of the power rail car, and the motor is selected from a 1.5kw motor.

One end of each grain raking plate is connected to the two chains, the connection mode at the position can adopt fixed connection, namely, one end of each grain raking plate is fixedly connected to the chain links corresponding to the two chains, and the fixedly connecting method comprises the following steps: welding, bolting, riveting, etc.; therefore, the grain raking plate has certain strength, so that grains can be stirred, and the grain raking plate is a plastic plate, a metal plate, a ceramic plate and the like.

The structure shown in fig. 4 further limits that one end of each grain raking plate is hinged with the two chain links, two sides of the other end of each grain raking plate are respectively provided with a soft rope 11, one end of each soft rope is fixedly connected with the grain raking plate, the other end of each soft rope is obliquely pulled to the front of the grain raking plate, and the end of each soft rope is connected with one chain link in the chain on the same side. The chain links connected with the two soft ropes on the same grain raking plate are preferably two chain links which are opposite to each other on the two chains.

The structure for realizing the hinged connection of one end of each grain raking plate and the corresponding two chain links can be provided with a shaft hole corresponding to the chain link shaft on the end of the grain raking plate, and the chain link shaft is inserted into the shaft hole of the grain raking plate, so that the grain raking plate is rotatably connected with the connecting shaft, and the hinged structure between the grain raking plate and the chain links is realized. Or the two opposite link shafts are connected into a whole shaft lever, one end of the grain raking plate is provided with a through hole, and the shaft lever penetrates through the through hole on the grain raking plate, so that the grain raking plate can be hinged with the two corresponding chain links. The connection of the two soft ropes and the chain links can adopt a fixedly connecting mode, the soft ropes are soft and thin steel wire ropes, chains, metal chains, nylon ropes or other soft ropes with working strength, preferably bicycle chains, when the soft ropes are metal ropes, the soft ropes can be directly welded on the corresponding chain links, if the soft ropes are non-metal ropes, metal rope heads are fixedly arranged at the ends of the soft ropes, and the metal rope heads are fixedly connected on the corresponding chain links. FIG. 4 shows another connection structure, in which two chains are bent plate chains, the bent plate chains are characterized in that a plurality of bent plates 25 are arranged at one side of the chains at certain intervals, the vertical end of each bent plate is provided with a hinge shaft hole, each bent plate is rotatably connected with a shaft hole of a chain link hinge shaft 26 on a corresponding chain link 24 in the chain through the hinge shaft hole, namely, the vertical end of each bent plate is rotationally connected with the corresponding chain link, the bent plates are arranged on the corresponding sides of the two chains, thus the grain raking plate and the soft rope can be arranged between the two chains, when the grain raking plate and the soft ropes rotate around the two chains, the soft ropes can be prevented from falling into meshing gaps of the chains and the chain wheels, one end of the grain raking plate is fixedly connected with the transverse ends of the bent plates on the two corresponding chain links, the soft ropes are respectively arranged on two sides of the other end of the grain raking plate, one ends of the two soft ropes are fixedly connected with the grain raking plate, and the other ends of the two soft ropes are fixedly connected with the transverse ends of the bent plates on the corresponding chain links in the same-side chain. In the structure, the grain raking plate positioned below the chain is vertical and the soft rope is stretched straight, wherein the vertical state means that the grain raking plate is basically vertical to the bottom surface of the warehouse, and the grain raking plate is allowed to incline at a certain angle, particularly the front part of the lower end of the grain raking plate is allowed to incline to form an inclined shovel shape; when necessary, the soft rope is a composite soft rope provided with a spring, the spring can shorten the length of the soft rope when contracting, and the spring can be stressed to extend when the grain raking plate rakes grains to ensure the verticality and the strength of the grain raking plate;

the structure shown in fig. 7 further defines that the track is a laterally-turned h-shaped steel 28, the track wheel is provided with an upper wheel 29 and a lower wheel 31, the upper wheel is arranged in a groove above the h-shaped steel, the lower wheel is arranged in a groove below the h-shaped steel, the upper wheel and the lower wheel are conical wheels, the outer conical surfaces of the upper wheel and the lower wheel are in rolling connection with the groove edges of the corresponding grooves, and the wheel axle 32 of the upper wheel and the wheel axle 30 of the lower wheel are rotationally connected to the frame of the power railcar.

The arrangement shown in fig. 5 and 6 further defines that the angled scraper is connected to the feed support by a hinge arm 27, one end of which is hinged to the angled scraper and the other end of which is hinged to the feed support. The number of the hinged arms is four, the four hinged arms are arranged in a left-upper rectangular shape, a right-upper rectangular shape, a left-lower rectangular shape and a right-lower rectangular shape, the structure of the four hinged arms is more stable, the hinged structure enables the inclined scraper to be in gapless contact with the upper surface of the conveying belt through self weight, and the grain distributing process is more stable.

The structure as shown in fig. 2 further defines that two ends of the sprocket shaft are respectively connected with the frame of the corresponding power rail car in a rotating way through a tightener, the tightener is provided with a sleeve nut 8, two ends of the sleeve nut are respectively provided with a screw 7 in threaded connection, the outer end of one screw is provided with a shaft sleeve 9, the shaft sleeve is connected with the shaft end shaft hole of the corresponding sprocket shaft in a rotating way, and the outer end of the other screw is hinged with the frame of the corresponding power rail car.

The two screw rods at the two ends of the sleeve nut are respectively provided with a locking nut, and the locking nuts are rotated to enable one end face of each locking nut to be in compression joint with the corresponding end face of the sleeve nut, so that the position between the screw rods and the sleeve nut is locked, namely the two locking nuts are used for limiting, and the sleeve nut locking device belongs to the conventional technology.

The structure shown in fig. 1 and 3 further defines that the grain raking mechanisms are two groups, the two groups of grain raking mechanisms are respectively positioned at two sides of the belt conveyor, and the inclined scrapers are V-shaped scrapers. The V word closed angle of the oblique scraper blade of V font is located the centre of conveyer belt and towards the place ahead of conveyer belt to make the even group of grain on the conveyer belt to both sides, if the warehouse space of conveyer belt both sides is different, then the skew of V word closed angle to the less one side in space, can dial into more grain in the one side in great space, dial into less grain to one side in less space, can accomplish the reserves balance through the calculation to defeated grain flow and warehouse volume.

The structure shown in fig. 2 further defines that the inclined scraper has a support plate 21, the support plate is fixedly connected with the material distribution bracket, a detachable scraper head 20 is arranged at the lower end of the support plate, and the lower end surface of the scraper head is the lower end surface of the inclined scraper. The scraping head is a plastic plate, a rubber plate, a metal plate, a ceramic plate or a composite plate made of the materials.

The structure shown in fig. 2 further defines that the grain raking plate is a Z-shaped plate. The upper end flanging of the Z-shaped grain raking plate is used for being connected with the chain, and the part for raking grains is the lower end flanging and the vertical part of the Z-shaped grain raking plate. The connection mode between the Z-shaped grain raking plate and the chain can refer to the mode shown in figure 4.

The structure shown in figure 1 further defines that the device also has a high-foot bracket 18, and the frame 23 of the belt conveyor and the track in the grain raking mechanism are arranged at the upper end of the high-foot bracket.

The high-foot support is formed by welding and assembling metal sections and is used for supporting a rack of a belt conveyor and a metal framework of a rail in a grain raking mechanism, the high-foot support is a modular steel framework, can be assembled and combined on site and is fixed on the ground and the wall of a warehouse through conventional connecting pieces.

As the structure shown in figure 8, it is further limited that the material distributing support behind the inclined scraper in the equipment of the present application is provided with a material sweeping device, the material sweeping device is provided with a support arm 35, a brush wheel 38 and a brush motor 34, the front end of the support arm is connected with the material distributing support, the rear end of the support arm is fixedly connected with the casing of the brush motor, the brush wheel is fixedly connected on the motor shaft 37 of the brush motor in a sleeving manner, and the brush end 39 of the brush wheel is movably connected with the upper surface of the conveying belt in a pressing manner.

A bearing sleeve 36 is sleeved on a motor shaft of the brush motor, the bearing sleeve is fixedly arranged on the support arm, and the motor shaft of the brush motor is rotatably connected with a shaft hole of the bearing sleeve. An included angle of 40 degrees is formed between the bottom surface of the brush end of the brush wheel and the upper surface of the conveying belt, and the brush end is movably pressed between the upper surfaces of the conveying belts by adopting a certain pressure drop. The support arm and the material distribution support are connected by adopting a height adjustable structure, as shown in the structure shown in fig. 8, a vertical strip hole is arranged on the material distribution support, a fixing screw rod is arranged on the support arm, one end of the screw rod is fixedly connected with the support arm, the other end of the screw rod penetrates through the vertical strip hole to be provided with a nut, and after the height of the support arm is adjusted, the height adjustable support arm can be fixed on the material distribution support by a locking nut.

It should be understood by those skilled in the art that the drawings provided in the present application are for assisting those skilled in the art to understand the technology of the present application, and the basic structure is shown, but the finished device of the automated grain warehousing equipment of the present application is not limited to the structure shown in the drawings, and the scale of parts in the drawings is enlarged or reduced for the convenience of observing the structures, taking the grain raking plate as an example: the grain raking plate shown in the attached drawing is far away from the belt conveyor, the structure of the line tightener is shown for the sake of clearer, but the grain raking plate does not represent the real distance between the grain raking plate and the belt conveyor, in the field, grains are stacked in a conical shape, and the sand raking effect is generated because the grains are loosely stacked, so that even if the grain raking plate rakes the grains from the middle part of the conical grain stack, the self balance of the grain stack can be broken, the top of the grain stack collapses, and the technical effect of raking the grains to the outer side can be achieved.

The traditional grain storage method is relatively laggard, the used equipment is complex and various, the labor is intensive, the work is repeated, the working continuity is poor, the investment of manpower and material resources is high, and the grain storage cost is relatively high. The automatic grain storage equipment has the advantages of unique conception, simple structure, strong applicability, time saving, labor saving, high quality and high efficiency, can save a large amount of manpower, can be operated by one person all the time no matter how large the storage capacity is, has the ratio of the number of people in the traditional operation of at least 1: 8, saves 7 labors at least, can effectively utilize the space of a warehouse, can continuously operate, improves the efficiency by more than 4 times, and can reduce the grain storage cost by more than 10 times.

Claims

1. Automatic change grain storage equipment, its characterized in that: comprises a belt conveyor (4), a grain raking mechanism and an inclined scraper (3); the grain raking mechanism is provided with two rails (15) which are arranged in parallel with a conveying belt (19) of the belt conveyor, the two rails are respectively provided with a power rail car (6), a frame (16) of each power rail car runs on the corresponding rail through a rail wheel (17), two chain wheel shafts (14) are arranged between the two rails, one chain wheel shaft is rotationally connected to the frame of one power rail car, the other chain wheel shaft is rotationally connected to the frame of the other power rail car, one chain wheel shaft is a power shaft, chain wheels (13) are fixedly arranged at two ends of the two chain wheel shafts respectively, the two chain wheels on the same side of the two chain wheel shafts are connected through chains (12), a plurality of grain raking plates (10) are arranged around the two chains, one end of each grain raking plate is connected with two chain links (24) opposite in position in the two chains, and the grain raking plates positioned below the chains are in a vertical shape; a material distribution support (5) is fixedly arranged on a frame of one of the power rail cars, the oblique scraper is arranged on the material distribution support, the oblique scraper is arranged above a conveying belt in the belt conveyor, the lower end face of the oblique scraper is movably connected with the upper surface of the conveying belt in a pressing mode, and the width of the oblique scraper is larger than or equal to that of the conveying belt.

2. The automated grain warehousing equipment of claim 1, wherein: one end of each grain raking plate is hinged with the two chain links, the two sides of the other end of each grain raking plate are respectively provided with a soft rope (11), one end of each soft rope is fixedly connected with the grain raking plate, the other end of each soft rope is obliquely pulled to the front of the grain raking plate, and the end of each soft rope is connected with one chain link in the chain on the same side.

3. The automated grain warehousing equipment of claim 1, wherein: the track is a laterally-turned I-shaped steel (28), the track wheels are provided with upper wheels (29) and lower wheels (31), the upper wheels are arranged in a groove above the I-shaped steel, the lower wheels are arranged in a groove below the I-shaped steel, the upper wheels and the lower wheels are conical wheels, the outer conical surfaces of the upper wheels and the lower wheels are in rolling connection with the groove edges of the corresponding grooves, and wheel shafts (32, 30) of the upper wheels and the lower wheels are rotatably connected to a frame of the power railcar.

4. The automated grain warehousing equipment of claim 1, wherein: the inclined scraper is connected with the material distribution support through a hinged arm (27), one end of the hinged arm is hinged with the inclined scraper, and the other end of the hinged arm is hinged with the material distribution support.

5. The automated grain warehousing equipment of claim 1, wherein: the two ends of the chain wheel shaft are respectively connected with the frame of the corresponding power rail car in a rotating mode through a tightener, the tightener is provided with a sleeve nut (8), two ends of the sleeve nut are respectively provided with a screw rod (7) in threaded connection, the outer end of one screw rod is provided with a shaft sleeve (9), the shaft sleeve is connected with the shaft end shaft hole of the corresponding chain wheel shaft in a rotating mode, and the outer end of the other screw rod is hinged with the frame of the corresponding power rail car.

6. The automated grain warehousing equipment of claim 1, wherein: the grain raking mechanisms are two groups, the two groups of grain raking mechanisms are respectively positioned on two sides of the belt conveyor, and the inclined scrapers are V-shaped scrapers.

7. The automated grain warehousing equipment of claim 1, wherein: the inclined scraper is provided with a supporting plate (21), the supporting plate is fixedly connected with the material distributing support, a detachable scraping head (20) is arranged at the lower end of the supporting plate, and the lower end face of the scraping head is the lower end face of the inclined scraper.

8. The automated grain warehousing equipment of claim 1, wherein: the grain raking plate is a Z-shaped plate.

9. The automated grain warehousing equipment of claim 1, wherein: the grain scraper is also provided with a high-foot bracket (18), and a rack (23) of the belt conveyor and a track in the grain raking mechanism are arranged at the upper end of the high-foot bracket.

10. The automated grain warehousing equipment of claim 1, wherein: the material distributing support behind the inclined scraper is provided with a material sweeper which is provided with a support arm (35), a brush wheel (38) and a brush motor (34), the front end of the support arm is connected with the material distributing support, the rear end of the support arm is fixedly connected with a shell of the brush motor, the brush wheel is fixedly connected with a motor shaft (37) of the brush motor in a sleeved mode, and a brush end (39) of the brush wheel is movably connected with the upper surface of the conveying belt in a pressed mode.